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APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 1,214 psi Max. Op Pressure - ASME Section VIII Steam Pressure Relief Valves
APOLLOASME Section VIII Steam Pressure Relief Valves

APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 1,214 psi Max. Op Pressure

The APOLLO POP Safety Relief Valve is an ASME Section VIII steam pressure relief valve in a 1 1/2 in x 2 in MNPT x FNPT bronze configuration, rated for a maximum operating pressure of 1,214 psi (MPN 511GGBKMAA0125)…

SKU 3G-OTH-433855

Brand
APOLLO
Item
Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 1,214 psi Max. Op Pressure
Category
ASME Section VIII Steam Pressure Relief Valves
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

APOLLO
Manufacturer Part Number
511GGBKMAA0125
Type
1 1/2 in x 2 in, Bronze
Max. Op Pressure
1,214 psi

Technical Documents

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APOLLO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APOLLO POP Safety Relief Valve is an ASME Section VIII steam pressure relief valve in a 1 1/2 in x 2 in MNPT x FNPT bronze configuration, rated for a maximum operating pressure of 1,214 psi (MPN 511GGBKMAA0125). 3G Electric interprets your demand for this APOLLO valve and delivers it with specialist support across 14 industrial departments — including combustion, pumps, and controls — ensuring you get the right solution, not just a part.

Frequently Asked Questions

What is the APOLLO POP Safety Relief Valve used for?

The APOLLO POP Safety Relief Valve is used for overpressure protection in steam, air, and liquid systems. It is ASME Section VIII certified for steam applications, making it suitable for boilers, pressure vessels, and industrial piping systems where reliable pressure relief is critical to safety.

What are the specifications of the APOLLO POP Safety Relief Valve 511GGBKMAA0125?

This APOLLO POP valve has a 1 1/2 in MNPT x 2 in FNPT connection, a maximum operating pressure of 1,214 psi, and a bronze body. It is an ASME Section VIII steam pressure relief valve with manufacturer part number 511GGBKMAA0125. The valve is designed for high-pressure steam and air service.

Where to buy the APOLLO POP Safety Relief Valve worldwide?

3G Electric supplies the APOLLO POP Safety Relief Valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this APOLLO valve.

How to install the APOLLO POP Safety Relief Valve?

Install the APOLLO POP valve vertically above the protected system with the inlet connected to the pressure source. Ensure the discharge piping is supported and routed to a safe location. Follow ASME Section VIII guidelines and the manufacturer's instructions for proper setting and testing.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

APOLLO Products

3G Electric supplies APOLLO asme section viii steam pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FFBKMAA0125)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FFBKMAA0125)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HGBKMAA0125)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HGBKMAA0125)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511GFBKMAA0125)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511GFBKMAA0125)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HGBKMAA0200)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HGBKMAA0200)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DCDKMAA0175)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DCDKMAA0175)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 1 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DCBKMAA0175)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 1 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DCBKMAA0175)

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APOLLO POP Safety Relief Valve: MNPT x FNPT, 2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HHBKMAA0175)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HHBKMAA0175)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 1 in, 1,214 psi Max. Op Pressure (MPN 541DCBKMAA0300)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 1 in, 1,214 psi Max. Op Pressure (MPN 541DCBKMAA0200)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DDDKMAA0075)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DDDKMAA0075)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 2 in x 3 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511JHBKMAA0200)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523FEBKMAA0500)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523FEBKMAA0500)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523GFBKMAA0450)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523GFBKMAA0450)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523HGBKMAA0500)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523HGBKMAA0500)